| article html file updated | 7 February 2020 06:31 CET | Update | https://www.mdpi.com/2073-4360/8/4/110 |
| article html file updated | 21 September 2019 14:06 CEST | Update | - |
| article html file updated | 5 May 2019 20:13 CEST | Update | - |
| article html file updated | 27 March 2019 00:30 CET | Update | - |
| article html file updated | 15 March 2019 11:48 CET | Update | - |
| article html file updated | 29 April 2016 09:44 CEST | Update | - |
| article html file updated | 28 March 2016 11:41 CEST | Original file | - |
| article xml uploaded. | 28 March 2016 11:40 CEST | Update | https://www.mdpi.com/2073-4360/8/4/110/xml |
| article pdf uploaded. | 28 March 2016 11:40 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/110/pdf |
